Physiology chapter 14

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247737
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Physiology chapter 14
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2013-11-18 23:23:34
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Physiology Claudia Sellers Chapter 14 test review
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Physiology Claudia Sellers Chapter 14 test review 3
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  1. TPR
    total peripheral resistance contractility-resistance to bood flow in arteries
  2. contractility
    strength of ventricular contraction
  3. EDV is workload _________ on heart prior to contraction
    preload
  4. SV is directly proportional to _________  and contraction
    preload
  5. ___________ is SV/EDV
    ejection fraction
  6. 2/3 of body H2O is inside cells
    intracellular compartment
  7. 1/3 total body H2O is in  _________ 80% of this is interstitial fluid; 20% is blood plasma
    extracellular compartment
  8. net filtration pressure
    _________ = hydrostatic pressure in capillary
  9. What determines the movement of fluid
    Is determined by net filtration pressure and forces opposing it Starling Forces
  10. Myxedema
    is excessive accumulation of fluid resulting from: High arterial blood pressure, venous obstruction, leakage of plasma proteins into interstitial fluid
  11. Urine formation befins with filtration of plasma in __________ Filtrate passes through and is modified by nephron.
    Glomerulus
  12. Volume of urine excreted can be varied by changes in _______ of filtrate.
    reabsorption
  13. ADH released by Post Pit when ________ in hypothalamus detect high osmolality.
    osmoreceptors
  14. Aldosterone
    • *Is steroid hormone secreted by adrenal cortex
    • *Helps maintain blood volume and pressure through reabsorption and retention of salt and water
    • *release stimulated by salt deprivation, low blood volume, and pressure
  15. Renin-Angiotension-Aldosterone System
    When there is a salt deficit, low blood volume, or pressure, angiotensin II is produced.

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